Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind
文献类型:期刊论文
作者 | He Jiansen; Zhu Xingyu; Chen Yajie; Chadi, Salem; Michael, Stevens; Hui, Li; Ruan Wenzhi; Lei, Zhang; Tu Chuanyi |
刊名 | ASTROPHYSICAL JOURNAL
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出版日期 | 2018 |
卷号 | 856期号:2页码:148 |
关键词 | Magnetic Reconnection Solar Wind Turbulence |
ISSN号 | 0004-637X |
英文摘要 | The magnetic reconnection exhaust is a pivotal region with enormous magnetic energy being continuously released and converted. The physical processes of energy conversion involved are so complicated that an all-round understanding based on in situ measurements is still lacking. We present the evidence of plasma heating by illustrating the broadening of proton and electron velocity distributions, which are extended mainly along the magnetic field, in an exhaust of interchange reconnection between two interplanetary magnetic flux tubes of the same polarity on the Sun. The exhaust is asymmetric across an interface, with both sides being bounded by a pair of compound discontinuities consisting of rotational discontinuity and slow shock. The energized plasmas are found to be firehose unstable, and responsible for the emanation of Alfven waves during the second step of energy conversion. It is realized that the energy conversion in the exhaust can be a two-step process involving both plasma energization and wave emission. |
语种 | 英语 |
资助机构 | National Natural Science Foundation of China (NSFC) [41574168, 41222032, 41231069, 41474147, 41674171, 41421003] ; National Young Talent Program of China ; NASA [NNX14AT26G] |
源URL | [http://ir.nssc.ac.cn/handle/122/6238] ![]() |
专题 | 国家空间科学中心_空间科学部 |
通讯作者 | He Jiansen; Zhu Xingyu; Chen Yajie; Chadi, Salem; Michael, Stevens; Hui, Li; Ruan Wenzhi; Lei, Zhang; Tu Chuanyi |
推荐引用方式 GB/T 7714 | He Jiansen,Zhu Xingyu,Chen Yajie,et al. Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind[J]. ASTROPHYSICAL JOURNAL,2018,856(2):148. |
APA | He Jiansen.,Zhu Xingyu.,Chen Yajie.,Chadi, Salem.,Michael, Stevens.,...&Tu Chuanyi.(2018).Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind.ASTROPHYSICAL JOURNAL,856(2),148. |
MLA | He Jiansen,et al."Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind".ASTROPHYSICAL JOURNAL 856.2(2018):148. |
入库方式: OAI收割
来源:国家空间科学中心
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